信号线中对地短路 100%
https://qc.dianpusou.com/tag/%e4%b8%9c%e9%a3%8e%e9%a3%8e%e8%a1%8c%e6%98%af%e4%bb%80%e4%b9%88%e7%89%8c%e5%ad%90%e4%b8%9c%e9%a3%8e%e9%a3%8e%e8%a1%8ct5%e9%94%80%e9%87%8f%e6%80%8e%e4%b9%88%e6%a0%b7
信号线中对地短路 100%
https://qc.dianpusou.com/tag/%e4%b8%9c%e9%a3%8e%e9%a3%8e%e8%a1%8c%e6%98%af%e4%bb%80%e4%b9%88%e7%89%8c%e5%ad%90%e4%b8%9c%e9%a3%8e%e9%a3%8e%e8%a1%8ct5%e9%94%80%e9%87%8f%e6%80%8e%e4%b9%88%e6%a0%b7